CN111290792A - Method for carrying out system switching in multi-container domain at top speed - Google Patents
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
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Abstract
The application discloses a method for switching systems in a multi-container domain at a high speed, the recovery time of the modules is fixed based on GPS, NFC and Bluetooth, the recovery of the modules is separated from the system switching, and asynchronous switching processing is carried out, so that the purpose of shortening the system switching time is achieved. In addition, the method for switching the system at the maximum speed of the multi-container domain is provided for the Wifi module based on the characteristic that the Wifi module is always open in the foreground system and the background system, the Wifi module is decoupled from the system switching process by using a state machine mechanism, and therefore the system switching process only triggers the state change of the Wifi state machine, and the time for switching the system is shortened.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method for performing system handover in a multi-container domain at a very high speed.
Background
In the existing multi-container system, when the system is switched, all peripheral resources need to be released first, then the identifier can be switched, and the state of each system is re-identified in the kernel.
All peripheral resources are released, and the related functions are generally closed except for the display module.
When the multi-container system is switched, because the switching system is highly coupled with the exclusive use of hardware resources, the hardware of the mobile phone needs to be repeatedly turned on/off every time of switching, and the switching speed is seriously influenced. The measured system switching speed is shown in table 1 in milliseconds (ms):
TABLE 1
| Scene | Front desk cost is cut to workspace | Background cost is cut to workspace | Background cost is cut to living quarter | Living area front-cut cost |
| Does not turn on any function | 1184 | 294 | 437 | 55 |
| Turn on only Wifi | 1646 | 805 | 477 | 44 |
| Turning on NFC only | 1452 | 401 | 460 | 48 |
Whereas recovery of the bluetooth module takes 3 seconds, the switching speed will be slower if the system switches to couple with the bluetooth module again. The time-consuming (cost) analysis of the foreground from the most consumed work area is divided into two parts: one part is 1184ms spent on GPS recovery, and the other is 268ms spent on NFC or 462ms spent on Wifi modules.
The main reasons for the above problems are: on/off of the Wifi module, the Bluetooth module, the NFC module and the GPS module all need to operate hardware, and time is not guaranteed, so that system switching time is not controllable.
Disclosure of Invention
The application provides a method for performing system switching at a very high speed in a multi-container domain, so as to shorten the time for system switching.
The application discloses a method for carrying out system switching at a high speed in a multi-container domain, which carries out asynchronous switching processing on modules related to the system switching and specifically comprises the following steps:
if the GPS, Bluetooth and/or NFC module of the foreground system is in an open state, the hardware resource of the module is not released when the system is switched, and the system switched to the background is allowed to continue using the module in the open state;
after the system is switched, if the foreground system needs to enable the module in the open state, the user is prompted before the corresponding module is opened: the background system is in use, and the corresponding module of the background system is closed;
and informing the background system to release the hardware resources, after the release of the hardware resources is finished, the foreground system performs corresponding hardware recovery again, and after the recovery is finished, performing enabling operation on the corresponding module.
Preferably, when the foreground system is to enable a module, the method further comprises:
checking the enabling state of the module in the background system from the VpService service request of the foreground system;
and the VpService service of the foreground system sends a request to the VpService service of the background system through cross-domain communication, requests the VpService service of the background system to check the enabling state of the module, and returns a result.
Preferably, the prompting the user before opening the corresponding module includes: the VpService service of the foreground system prompts the user by popping up a Toast notification box;
the informing the background system of releasing the hardware resource comprises: and if the user indicates to close the module of the background system, the VpService service of the foreground system initiates a request to the VpService service of the background system through cross-domain communication, and requests to release the hardware resource of the module.
The application also discloses a method for performing system switching at the highest speed in the multi-container domain, which performs asynchronous switching processing on modules related to the system switching, and specifically comprises the following steps:
the state that sets up Wifi state machine and be used for managing the Wifi module, the state of Wifi state machine includes: enabling the Wifi, forbidding the Wifi, occupying the network card and releasing the network card;
if the current system is switched from the foreground to the background, the Wifi state machine of the current system sequentially carries out state conversion according to Wifi enabling- > Wifi forbidding- > network card occupation- > network card releasing; and if the current system is switched from the background to the foreground, the Wifi state machine of the current system sequentially performs state conversion according to network card release- > network card occupation- > Wifi prohibition- > Wifi enable.
Preferably, the method further comprises:
when the current system releases the network card, the opposite side system is informed;
and the other side system switches the states of the Wifi modules in the foreground system and the background system according to the self needs to trigger the state conversion of the Wifi state machine.
Preferably, if the Wifi module of the foreground system is in the network card release state, the Wifi state machine must be triggered to perform state conversion according to the network card release- > network card occupation- > Wifi prohibition- > Wifi enable in sequence after receiving the network card release notification of the opposite system.
Preferably, when the Wifi state machine is in the network card release state, any Wifi operation on the interface is prohibited.
Preferably, the prohibiting any Wifi operation on the interface includes:
setting a mark to inform that a setting interface and a notification bar interface cannot start Wifi;
after receiving the network card release notice of the opposite side system, the foreground system clears the quoted mark, and then the setting interface and the notice bar interface can carry out Wifi setting.
Preferably, the state transition trigger of the Wifi state machine is triggered by the VpService switched by the monitoring system;
when the VpService service monitors system switching, triggering a Wifi state machine to carry out state conversion, and as long as the end point state is not reached, triggering the Wifi state machine to carry out the conversion to the next state;
wherein, the terminal point of the Wifi state machine of the foreground system includes: wifi prohibition and Wifi enablement are determined according to Wifi configuration of the current system; and the terminal point of the Wifi state machine of the background system is released for the network card.
According to the technical scheme, the method for switching the system in the multi-container domain at the highest speed is characterized in that the recovery time of the modules based on the GPS, the NFC and the Bluetooth is fixed, the recovery of the modules is separated from the system switching, and asynchronous switching processing is carried out, so that the purpose of shortening the system switching time is achieved.
In addition, the method for switching the system at the maximum speed of the multi-container domain is provided for the Wifi module based on the characteristic that the Wifi module is always open in the foreground system and the background system, the Wifi module is decoupled from the system switching process by using a state machine mechanism, and therefore the system switching process only triggers the state change of the Wifi state machine, and the time for switching the system is shortened.
In the process of system switching, the method processes the relevant modules in an asynchronous switching processing mode, thereby separating the on/off of the relevant modules from the system switching and achieving the beneficial effect of shortening the system switching time.
Drawings
FIG. 1 is a flow chart illustrating a method for performing system switching at very high speed in a multi-container domain according to the present invention;
fig. 2 is a schematic diagram of state transition of the Wifi state machine of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below by referring to the accompanying drawings and examples.
Because GPS, NFC, its time spent of recovering of bluetooth module are all fixed, so this application proposes: the recovery of the modules is separated from the system switching, and asynchronous switching processing is carried out. Fig. 1 shows a flowchart of a method for performing system switching at a very high speed in a multi-container domain, which includes the following steps:
step 1: if the GPS, Bluetooth and/or NFC module of the foreground system is in the open state, the hardware resource of the module in the open state is not released when the system is switched, and the system switched to the background is allowed to continue using the GPS, Bluetooth and/or NFC module in the open state.
Step 2: after the switching is completed, if the foreground system needs to enable the starting module, the user is prompted before the corresponding module is started: the background system is in use, and the corresponding module of the background system is closed.
And step 3: and informing the background system to release the hardware resources, after the release of the hardware resources is finished, the foreground system performs corresponding hardware recovery again, and after the recovery is finished, performing enabling operation on the corresponding module.
Because the Wifi module is always open in the foreground system and the background system, the Wifi module is mutually exclusive and cannot adopt the mode, the user experience is seriously influenced, and the Wifi module needs to be frequently switched on/off by a user every time of switching. Therefore, asynchronous switching processing is performed on the Wifi state in another mode.
And decoupling the Wifi module from a system switching process by using a state machine mechanism, wherein the system switching process only triggers the state change of the Wifi state machine.
1. The Wifi state machine is set to be used for managing states of the Wifi module, and the Wifi state machine is divided into four states, as shown in fig. 2: if the current system is switched from a foreground to a background, the state of the Wifi state machine of the current system is converted to the state of the network card release, and the state conversion is sequentially carried out according to Wifi enable- > Wifi disable- > network card occupation- > network card release; if the current system is switched from the background to the foreground, the Wifi state machine of the current system is switched to the Wifi enabling direction, and state switching is carried out sequentially according to network card release- > network card occupation- > Wifi prohibition- > Wifi enabling.
2. When the current system releases the network card, the opposite system needs to be informed, and then the opposite system switches the state of the Wifi module in the foreground system and the background system according to the self needs to trigger the state conversion of the Wifi state machine.
3. If the Wifi module of the foreground system is in the network card release state, the Wifi state machine can be triggered to advance to the Wifi enabling direction only after the network card release notification of the opposite system is received.
And 4, when the Wifi state machine is in the network card release state, prohibiting any Wifi operation on the interface so as to prevent the Wifi state machine from being disordered.
The above technical solution proposed in the present application is further described in detail by two preferred embodiments.
The first embodiment is as follows:
processing of three modules of GPS, Bluetooth and NFC:
the enabling procedure is as follows:
1) before enabling a foreground module, firstly, checking the enabling state of the module in a background system to a VpService service request of the foreground system, sending a request to the VpService service of the background system by the VpService service of the foreground system through cross-domain communication, requesting the VpService service of the background system to check the enabling state of the module, and returning the result.
2) If the background system feeds back that the module is enabled, the VpService service of the foreground system pops up a Toast notification box to notify a user that the background system is using the module; and if the user indicates to close the background module, the VpService service of the foreground system initiates a request to the VpService service of the background system through cross-domain communication, and the request releases the hardware resources of the module.
3) After receiving the request for releasing the hardware resources, the VpService service of the background system firstly closes the module and then releases the hardware resources occupied by the module.
4) After the VpService service of the background system finishes releasing the hardware resources, the VpService service of the foreground system starts to occupy the hardware resources, and after the hardware resources are completely occupied, the hardware module is informed to allow the hardware module to enable the hardware resources.
5) And if the background system feedback module is not enabled in the step 1), directly informing the hardware module of allowing configuration.
Example two:
and (3) processing the Wifi module:
fig. 2 shows a flow chart of the mutual exclusion state machine for the Wifi module, and the processing flow of the Wifi module in this embodiment is as follows:
1) the mutual exclusion state machine of the Wifi module is divided into four states: network card release, network card occupation, Wifi prohibition and Wifi enable.
And if the current system is switched from the foreground to the background, converting the state of the Wifi state machine of the current system to the state of the network card release, and sequentially converting the states according to Wifi enabling- > Wifi forbidding- > network card occupation- > network card release. And if the current system is switched from the background to the foreground, carrying out state conversion according to the direction opposite to the above.
2) The state transition triggering of the state machine is completely triggered by the VpService service for monitoring system switching, once the VpService service monitors the system switching, the state machine is triggered to perform state transition, and as long as the end state is not reached, the state machine of the state machine is triggered to perform transition to the next state.
3) Meanwhile, only one Wifi network card is provided, so if the foreground system is in the network card release state, the state machine can be triggered to perform state conversion only after waiting for the release notification of the background system. Similarly, once the system is in the network card release state, the opposite side system must be notified each time the system switches to the background, the network card is released, and the state machine conversion flow of the opposite side can be triggered.
4) The terminal points of the foreground system Wifi state machine are only two, one is a Wifi forbidden state, and the other is a Wifi enabled state, and the terminal points are determined according to the Wifi configuration of the current system. It should be noted that: the Android-side Wifi enabled state comprises Wifi enabled and personal hotspot enabled.
And only one terminal point of the Wifi state machine of the background system is the network card release.
5) After the foreground system releases the network card, the user cannot set the Wifi until the Wifi network card is occupied again, so that a mark needs to be set, and a Setting (Setting) interface and a notification bar interface cannot start the Wifi. And once receiving the notice that the opposite side system releases the network card, the foreground system immediately clears the mark, and afterwards, the Setting interface and the notice bar interface can be set by Wifi.
At this time, the Wifi recovery process and the operation of configuring Wifi by the user may be parallel, and the user may be still recovered to the personal hotspot after the Wifi is turned on in the living area.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (9)
1. A method for performing system switching at a very high speed in a multi-container domain is characterized in that asynchronous switching processing is performed on modules involved in system switching, and specifically comprises the following steps:
if the GPS, Bluetooth and/or NFC module of the foreground system is in an open state, the hardware resource of the module is not released when the system is switched, and the system switched to the background is allowed to continue using the module in the open state;
after the system is switched, if the foreground system needs to enable the module in the open state, the user is prompted before the corresponding module is opened: the background system is in use, and the corresponding module of the background system is closed;
and informing the background system to release the hardware resources, after the release of the hardware resources is finished, the foreground system performs corresponding hardware recovery again, and after the recovery is finished, performing enabling operation on the corresponding module.
2. The method of claim 1, wherein when the foreground system is to enable a module, the method further comprises:
checking the enabling state of the module in the background system from the VpService service request of the foreground system;
and the VpService service of the foreground system sends a request to the VpService service of the background system through cross-domain communication, requests the VpService service of the background system to check the enabling state of the module, and returns a result.
3. The method of claim 2, wherein:
the prompting the user before opening the corresponding module comprises: the VpService service of the foreground system prompts the user by popping up a Toast notification box;
the informing the background system of releasing the hardware resource comprises: and if the user indicates to close the module of the background system, the VpService service of the foreground system initiates a request to the VpService service of the background system through cross-domain communication, and requests to release the hardware resource of the module.
4. A method for performing system switching at a very high speed in a multi-container domain is characterized in that asynchronous switching processing is performed on modules involved in system switching, and specifically comprises the following steps:
the state that sets up Wifi state machine and be used for managing the Wifi module, the state of Wifi state machine includes: enabling the Wifi, forbidding the Wifi, occupying the network card and releasing the network card;
if the current system is switched from the foreground to the background, the Wifi state machine of the current system sequentially carries out state conversion according to Wifi enabling- > Wifi forbidding- > network card occupation- > network card releasing; and if the current system is switched from the background to the foreground, the Wifi state machine of the current system sequentially performs state conversion according to network card release- > network card occupation- > Wifi prohibition- > Wifi enable.
5. The method of claim 4, further comprising:
when the current system releases the network card, the opposite side system is informed;
and the other side system switches the states of the Wifi modules in the foreground system and the background system according to the self needs to trigger the state conversion of the Wifi state machine.
6. The method according to claim 4 or 5, characterized in that:
if the Wifi module of the foreground system is in the network card release state, the Wifi state machine can be triggered to perform state conversion according to the network card release- > network card occupation- > Wifi prohibition- > Wifi enable in sequence after the network card release notice of the opposite system is received.
7. The method of claim 6, wherein:
and when the Wifi state machine is in the network card release state, any Wifi operation on the interface is forbidden.
8. The method of claim 7, wherein disabling any Wifi operation on the interface comprises:
setting a mark to inform that a setting interface and a notification bar interface cannot start Wifi;
after receiving the network card release notice of the opposite side system, the foreground system clears the quoted mark, and then the setting interface and the notice bar interface can carry out Wifi setting.
9. The method according to claim 4 or 5, characterized in that:
triggering the state transition of the Wifi state machine by the VpService service switched by the monitoring system;
when the VpService service monitors system switching, triggering a Wifi state machine to carry out state conversion, and as long as the end point state is not reached, triggering the Wifi state machine to carry out the conversion to the next state;
wherein, the terminal point of the Wifi state machine of the foreground system includes: wifi prohibition and Wifi enablement are determined according to Wifi configuration of the current system; and the terminal point of the Wifi state machine of the background system is released for the network card.
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Application publication date: 20200616 |